Answer:
The first yellow fever outbreaks in the United States occurred in late 1690s. Nearly 100 years later, in the late summer of 1793, refugees from a yellow fever epidemic in the Caribbean fled to Philadelphia. Within weeks, people throughout the city were experiencing symptoms.
An ischemic stroke is the sudden loss of blood flow to an area of the brain. It results in loss of neurological function.
Ischemic stroke involves the obstruction of blood flow within the brain. The obstruction can be caused by a thrombotic or embolic occlusion of an artery in the brain.
The uracil is present in RNA instead of Thymine
<span>Adult stem cells are the body’s toolbox, called into action by normal wear and tear on the body, and when serious damage or disease attack. Researchers believe that adult stem cells also have the potential, as yet untapped, to be tools in medicine. Scientists and physicians are working towards being able to treat patients with their own stem cells, or with banked donor stem cells that match them genetically.</span>
The correct answer is C. Political Science.
Political Science refers to the field of study that deals with systems of government and the analysis of political activity and behavior. It studies the way human cultures govern and make laws. It includes all laws even about the environment.
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